Did you initialize the database?
$ ./accumulo init You can use thezookeeper client and ls /accumulo, should be able to see the instance_id in zookeeper. From: [email protected] [mailto:[email protected]] On Behalf Of Arshak Navruzyan Sent: Tuesday, February 04, 2014 5:36 PM To: [email protected] Cc: Josh Elser Subject: monitor won't start I am getting this error in the monitor log, even though my tserver is running fine 2014-02-04 14:27:35,816 [server.Accumulo] INFO : monitor starting 2014-02-04 14:27:35,824 [client.ZooKeeperInstance] ERROR: unable obtain instance id at /accumulo/instance_id my environment is Accumulo 1.5 HD 2.2.0 Zookeeper 3.4.5
